6,7-Dimethoxy-2H-3,1-benzoxazine-2,4(1H)-dione CAS 20197-92-6
| CAS No. | 20197-92-6 |
| Molecular Formula | C10H9NO5 |
| Molecular Weight | 223.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-Dimethoxy-2H-3,1-benzoxazine-2,4(1H)-dione (CAS 20197-92-6) is a high-purity analytical reference standard with the molecular formula C10H9NO5 and a molecular weight of 223.18 g/mol.
Structurally, 6,7-Dimethoxy-2H-3,1-benzoxazine-2,4(1H)-dione (C10H9NO5) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 223.18 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 6,7-Dimethoxy-2H-3,1-benzoxazine-2,4(1H)-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H9NO5 |
| Molecular Weight | 223.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Related Dimethoxy Standards
- 4,5-Dimethoxy-2-nitrobenzofuran (CAS 65162-17-6)
- 4,6-Dimethoxy-2-nitrobenzofuran (CAS 65162-18-7)
- 4,7-Dimethoxy-2-nitrobenzofuran (CAS 65162-19-8)
- 5,6-Dimethoxy-2-nitrobenzofuran (CAS 65162-20-1)
- 6,7-Dimethoxy-2-nitrobenzofuran (CAS 65162-22-3)
- 3,4-Dimethoxy-beta-methyl-beta-nitrostyrene (CAS 122-47-4)
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Recommended Standards
- 6-(3,5-Difluorophenyl)-1,3,5-triazine-2,4-diamine (CAS 870704-12-4)
- 5-Ethoxy-2-(furan-2-yl)-1,3-oxazole-4-carboxylic acid (CAS 923698-17-3)
- 6-Nitrochromane-2-carboxylic acid (CAS 99199-63-0)
- 5-Acetamidoisophthalic acid (CAS 6344-50-9)
- 2-amino-N,3-diphenylpropanamide (CAS 5426-73-3)
- (S)-1-(3-bromo-5-(trifluoromethyl)phenyl)-2-methylpropan-1-amine (CAS 1213095-04-5)
- 1-Bromo-4-methyl-9h-thioxanthen-9-one (CAS 1859087-87-8)
- 2-(3-(Dimethylamino)phenyl)-2-methylpropanoic acid (CAS 1176042-65-1)
- 2-(Difluoromethyl)-4-iodo-3-methyl-5-(trifluoromethoxy)pyridine (CAS 1806233-38-4)
- 1-(Octan-2-yl)-1H-pyrazol-3-amine (CAS 1240565-99-4)
- (S)-4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-inden-1-ol (CAS 2077991-52-5)
- (E)-3-(2,3,5-Trifluorophenyl)acrylic acid (CAS 1384157-92-9)
- n-(2,4,6-Trimethylbenzyl)propan-1-amine (CAS 474972-04-8)
- Acetyl tetrapeptide-9(Dermican LS 9837) (CAS 928006-50-2)
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